Combination brake and shock-absorber.



E. BUGATTI.

COMBINATION BNNNE AND sHooK ABSONBNN.

Patented Nov. 24, 191%.

APPLCATION FILED JUNE l, 1914.

2 SHEETS-.SHEET 1.

E. BUGATTI. COMBINATION BRAKE AND SHUUK ABSORBERi APPMGAMON MLBD JUNE 1, 1914.

Patented Nov. 24;, w14.

2 SHEETS-311521' 2.

COMBINATION BRAKE am) encon-assesses.

Inmate.

Specification of Letters Patent.

Faitented Nov.. 24C, 1914:.

Application filed Jilne 1, 1914. Serial No. 842,203.

To all whom it may concern:

Be it known that l, ETTORE BUGA'rrI, a subject of the King of Italy, and residing at Molsheim, Alsace, German Empire, have invented certain new and useful Improvements in Combination Brakes and Shockbsorbers, of which the following is a speciication.

The present invention has reference to improvements in self propelled vehicles, and relates more specifically to a novel combination ot' shock absorber and brake, the former being built into the latter, and the invention essentiallyv consists of the construction, aii'angemeiit and cooperation oi parts, as will hereinafter be fully described with reference to the accompanying drawings, in which- Figure 1 shows a longitudinal section through the combination device, with the brake cheek and toggle parts moved into the section plane for better illustration; Fig. 2 represents a rear elevation with the cover of the brake drum removed; and Figs. 8 6 represent rear and side elevations respectively of different ways of attaching the device to the respective chassis parts.

The rear vehicle axle 1 carries the hub 2, which may itselt` serve as wheel hub proper, or which may suitably support a special wheel hub 3, as shownby way of example in Fig. 1. This auxiliary hub 2 is rigidly secured to the live rear axle 1 and is rotatably journaled by means of the rollei' bear ing l upon the'dead rear wall tube and supports the brake drum 6. lVithin the lat ter are situated the cooperating brake cheeks 7, 7 which for braking purposes are pressed in well known manner against the lining of the drum, for instance as shown by the operation of the toggle 20.

The drum is closed in front by the cover plate 8, supported on the dead rear axle, and to which .is secured a casing or shell 9 by means of the pillars 10 and screw bolts l1, as shown in the lower part of Fig. 1 and in Fig. 2. The casing 9 extends into the brake drum and is completely hidden therein, and its vertical face is centrally apertured to receive the tubular extension 29 of the hub 2, which journals the roller bearing. A jointing 12 is provided to securely, pack the parts 29 and 9, for the purpose of preventing egress of lubricating material from the roller bearing to the toggle brake parts, which would seriously intertere with proper brahng operation. The

agency of a rod 17, linked to the chassis 16,

and whose lower end is pivoted to the arm 18, which latter extends into the chamber 13 through a slot 19 in the drum cover 8 and is rigidly secured to the friction ring of the shock reducer 14. Since the 4chanjiber 13 serves as collector for the lubricant discharged from the wheel bearing, .the shock absorber obviously will always be suitably lubricated. The cover plate, furthermore,

serves to support the brake cheeks 7, the.

toggle brake parts and the main suspension spring 21. The supporting bolt 22 for the brake cheeks 7 is secured bv means of a screw or nut F ig. 1) to the cover plate S; and the bushing Q4 for the shaft :'25 of the toggle 20, and the bolt 26 (Figs. 3-() for the main suspension spring Q1, are also suitably secured to the cover plate. The brake toggle Q0, which lin well known mannerv serves to operate the brake cheeks 7, is'

manipulated by means of the oscillating lever Q7 and the connecting rod QS, linked thereto and operated by the vehicle driver. The cover plate thus serves five distinct purposes: being brake drum closure,shock absorber casing closure, brake cheeks carrier, brake toggle carrier, and chassis supporting spring carrier.

lVhat 1 claim is 1. 1n an autovehicle, a combined brake and shock absorber, comprising a brake mechanism of the drum type, anda shock absorber located within said brake mechanism.

2. 1n an autovehicle, a combined brake and shock absorbe-r, comprising a rotary brake drum, brake mechanism therein `and a stationary cover therefor, a shell on said cover extending into said drum, and shock absorbing mechanism in said shell.

3. ln an autovehicle, a combined brake and shock absorber, comprising a rotary brake drum, a stationary cover therefor, brake mechanism in said drum, supported on said cover and adapted to cooperate With said. rotary drum, a shellsecured to said eover and; enencling into drain wihin saicl brake mechanism, packing means inzer" poseol between said olrun and said shell for liquid-tightly separating these two paris, and shook absorbing mechanism in said shell.

4L, ln an autovehiele, in combination with the chassis andL a deal aml a live rear axle, a hub on the live axle, a roller bearing between. said hub and saicl dead axle, a brake drinn supported on said live axle, a slotted @over for said drum on said deacl axle, brake mechanism supported on saicl stationary cover ancl'adaptecl to Cooperate with saiol rotary drum, means for actuating said brake mechanism, a shell seeureel to said oever and extending into said drum Within said brake mechanism out oi' eontael; i'rherevvith,

in testimony whereof l afix my signature 30 in presence of two Witnesses.

ETTORE BUGATTI.

l/Vitnesses:

JOSEPH ROHMER, @Hannes AL.- l-lALLaa, Jr.

ol' Genis each, by aclflressing 'bhe ommissionex of Hamme,

Washington, #130W 

